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Finding the Fourth Proportional to 49,663.32, 68,489.97 and 36,948.34

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Solution

The fourth proportional to 49,663.32, 68,489.97 and 36,948.34 is: 50,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,663.32 : 68,489.97 = 36,948.34 : x
  2. Step 2: Convert to fraction form
    49,663.32/68,489.97 = 36,948.34/x
  3. Step 3: Cross multiply
    49,663.32x = 68,489.97 × 36,948.34
  4. Step 4: Simplify right side
    49,663.32x = 2,530,590,853.04
  5. Step 5: Solve for x
    x = 2,530,590,853.04/49,663.32
  6. Step 6: Final answer
    x = 50,954.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.